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FDC 2/7044 ZHU TX..AIRSPACE HOUSTON CENTER, SAN MARCOS, TX..TEMPORARY FLIGHT RESTRICTIONS. PURSUANT TO 14 CFR SECTION 91.145, MANAGEMENT OF AIRCRAFT OPERATIONS IN THE VICINITY OF AERIAL DEMONSTRATIONS AND MAJOR SPORTING EVENTS. ACFT OPS ARE PROHIBITED WI AN AREA DEFINED AS 5NM RADIUS OF 295332N0975136W (RND040031.5) SFC-13000FT EFFECTIVE 2205271930 UTC UNTIL 2205272230 UTC, AND 2205281930 UTC UNTIL 2205282230 UTC. DUE TO HIGH SPEED AERIAL DEMOSTRATIONS AT THE SAN MARCOS AIRSHOW. UNLESS AUTH BY ATC. SAN MARCOS ATCT 126.82 THE AIR BOSS, RUSSELL ROYCE, TEL 713-409-4266, IS THE POINT OF CTC. THE SAN MARCOS TOWER /HYI/ ATCT, TEL 512-392-5514, IS THE CDN FAC. 2205271930-2205282230